Watch List notes:

EGYPT. Alexandria. Antoninus Pius, 138-161. Drachm (Bronze, 34.00 mm, 26.62 g, 11 h), year 12 = 148-149. AYΤ Κ Τ ΑΙΛ ΑΔΡ - ΑΝΤωΝΙΝΟC EYC CEB Laureate head of Antoninus Pius to right. Rev. L ΔωΔΕΚΑΤΟΥ Distil temple, with a pediment, containing a disc flanked by two uncertain figures, and two antefixes; within, statue of Serapis seated to left on a throne, resting his right hand on the head of Kerberos seated facing on the left and holding a scepter in his left. Dattari (Savio) 8907. Geissen 1616. K&G 35.442. RPC IV.4 Online temp. 13642.12 (this coin). Boldly struck and with a brown patina. Rough surfaces, otherwise, good very fine.
From the collection of Jean-Pierre Righetti, ex Heritage 3016, 2 January 2012, 23121.